head to head · open source
parcel vs rslib
parcel has 44,008 GitHub stars, 2,425 forks, 606 open issues and last shipped yesterday. rslib has 1,043 stars, 67 forks, 30 open issues and last shipped yesterday. parcel leads on adoption by 4,119% (44,008 vs 1,043 stars). parcel is written in JavaScript under MIT; rslib is written in TypeScript under MIT. parcel has attracted 6% as many forks as stars, rslib 6%. parcel was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (build-tool, javascript), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| parcel | rslib | |
|---|---|---|
| GitHub stars | ★ 44K | ★ 1.0K |
| License | MIT | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 2.4K | ⑂ 67 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick parcel if
- You weight community size — 44K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick rslib if
- You want the rslib feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and rslib fits your workflow better
About parcel
Parcel is a zero configuration build tool for the web. It combines a great out of the box development experience with a scalable architecture that can take your project from just getting started to massive production application. Features 😍 Zero config – Parcel supports many languages and file types out of the box, from web technologies like HTML, CSS, and JavaScript, to assets like images, fonts, videos, and more. It has a built in dev server with hot reloading, beautiful error diagnostics, and much more. No configuration needed! ⚡️ Lightning fast – Parcel's JavaScript compiler is written in Rust for native…
read the full parcel overview →
About rslib
Rslib English 简体中文 Rslib is a library development tool based on Rsbuild. It gives developers a simple way to create JavaScript libraries and UI component libraries, and provides tool integrations and best practices for building, debugging, documentation, and testing throughout library development. 🔥 Features Rslib has the following features: Easy to configure : Out of the box tooling enables developers to build libraries with zero configuration. Rslib also provides a set of semantic build configurations that can be extended as project needs grow. Performance focused : Powered by Rspack, it integrates high…
read the full rslib overview →
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Frequently asked questions
Is parcel or rslib more popular?
parcel has 44,008 GitHub stars and rslib has 1,043. parcel has the larger community by that measure.
Are parcel and rslib free?
Both are open source. parcel is licensed under MIT and rslib under MIT. Neither carries a licence fee.
What is the difference between parcel and rslib?
parcel is written in JavaScript and rslib in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, parcel or rslib?
Choose parcel if you want the larger community (44,008 stars) or its MIT licence terms. Choose rslib if its feature set, stack or MIT licence fits better. Both are self-hostable.